7v+v+3v-8v+v=4

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Solution for 7v+v+3v-8v+v=4 equation: 



7v+v+3v-8v+v=4

We move all terms to the left:

7v+v+3v-8v+v-(4)=0

We add all the numbers together, and all the variables

4v-4=0

We move all terms containing v to the left, all other terms to the right

4v=4

v=4/4

v=1

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